Haier H-MRV AF092FCBHA, Service Manual

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Open degree of EEV 7 xxx
Indoor unit quantity 6 xx
Coil temp 5 xx
Defrosting temp 4 xx
Suction temp 3 xx
Discharging temp 2 xx
Ambient temp 1 xx
Voltage on DC side U xxx
Current output A xx.x
Frequency Fxx.xx
Display
Mode
Heat
State
Cool
Stop
Run
to reset
the program.
11. After reset, power off the outdoor. For 1~2 minutes, the outdoor release all the electricity,
plug the communication wire between outdoor and indoor to the original position, the
modification is over.
Prog.
Enter
Run Stop Defr. Cool Heat
Testing board
for AU48NFIBIA:
Press button “mode”, the display will change over in the following sequence:
Note: Please connect the wire on power off. Insert the testing board on the CN302 of the
outdoor PCB. The part number is 0010451601.
In addition, we set a testing port CN303 which can be connected to the computer through
another testing device (part number: 0010451800). The distributor can get the testing device
and the testing software from us.
Testing procedure:
1. After the unit powered off, connect the wire of testing board to CN302 port, and then pull
down the communication wire between outdoor and indoor unit.
2. Check if the wiring is right. If yes, power on the outdoor unit.
3. On the operation panel of the testing board, the relative data can be modified.
4. Press “Prog.”, enter data editing mode.
5. Set data “Pr-00” as “0”
， then data can be edited. Press “Enter” to confirm.
6. The other data can be set according to the requirement like this way.
7. After all the data be modified, set “Pr-00” as “1”.
8. Press “Prog.”, quit out of data editing mode.
9. Note: Data of the chip is very important, the improper modification will cause the main
parts damaged such as compressor. So before modification, please contact with us.
10. After quitting from data editing mode, operation board will display “P r.E” which will
flash. After 3 minutes, it will display “b.P.160”. At this time, pressing the
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